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<?php preg_match("1^[a-zA-Z0-9.-_]+\@[a-zA-Z0-9.-_]\+.[a-zA-Z0-9.-_]+$1",$email); ?>
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $email in /in/KOV3o on line 2 Deprecated: preg_match(): Passing null to parameter #2 ($subject) of type string is deprecated in /in/KOV3o on line 2 Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL in /in/KOV3o on line 2

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